CVE-2017-12307 Cross-site scripting in Cisco Small Business 300 and 500 Series Managed Switches
Unauthenticated remote attackers can execute arbitrary script code or access sensitive browser-based information via reflected XSS in Cisco Small Business Managed Switches.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2017-12307?
CVE-2017-12307 is a medium-severity cross-site scripting vulnerability in Cisco Small Business 300 and 500 Series Managed Switches, published on 18 Jan 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability in the web framework of Cisco Small Business Managed Switches software could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting (XSS) attack against a user of the web interface of an affected system. The vulnerability is due to insufficient input validation of parameters that are passed to the web server of the affected system. An attacker could exploit this vulnerability by convincing a user to follow a malicious link or by intercepting and injecting code into a user request. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected web interface or allow the attacker to access sensitive browser-based information. This vulnerability affects the following Cisco Small Business 300 and 500 Series Managed Switches: Cisco Small Business 300 Series Managed Switches, Cisco Small Business 500 Series Stackable Managed Switches, Cisco 350 Series Managed Switches, Cisco 350X Series Stackable Managed Switches, Cisco 550X Series Stackable Managed Switches, Cisco ESW2 Series Advanced Switches. Cisco Bug IDs: CSCvg24637.
Weakness: CWE-79
Which versions are affected by CVE-2017-12307?
It affects 85 products.
Products include Cisco Esw2-350g-52 Firmware, Cisco Esw2-350g-52dc Firmware, Cisco Esw2-550x-48 Firmware, Cisco Esw2-550x-48dc Firmware, Cisco Sf300-08 Firmware, Cisco Sf300-24 Firmware and 79 more.
How do I fix CVE-2017-12307?
No fix has been published for CVE-2017-12307 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2017-12307 being exploited?
There is no known exploitation of CVE-2017-12307 in the wild and no public exploit code.
Other vulnerabilities in Cisco Small Business 300 and 500 Series Managed Switches
Sources
Also known as GHSA-m32m-2q87-9hp4.